TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 635 of 1337

TM 9-2320-260-20

1

8-5. PARKING BRAKESHOE ADJUSTMENT

THIS TASK COVERS:

Adjustment

INITIAL SETUP

APPLICABLE MODELS

EQUIPMENT CONDITION

All

●

Parking brake released (TM 9-2320-260-10).

REFERENCES (TM)

●

Wheels-chocked (TM 9-2320-260-10).

●

Transmission gearshift lever in neutral position

TM 9-2320-260-10

(TM 9-2320-260-10).

TM 9-2320-260-20P

• Transmission to forward-rear axle propeller shaft

removed (para. 7-2).

1.

2.

3.

4.

5.

6.

7.

Place parking brake lever (2) in release position. Turn adjusting cap (1) counterclockwise to fully

disengage parking brake.

Loosen nut (10) and turn adjusting screw (11) to set clearance of outer parking brakeshoe (9) and

brakedrum (8) to .015 in. (.381 mm) (A). Tighten nut (10).

Loosen jamnut (4) on threaded end of brake cable (3). Turn adjusting nut (5) until .015-in.

(.381-mm) clearance (B) is obtained between the inner brakeshoe (7) and brakedrum (8). Tighten

jamnut (4) against adjusting nut (5).

Hold eccentric pin (6) and loosen nut on opposite side.

Turn eccentric pin (6) until .015-in. (.381-mm) clearance (C) is obtained at both ends of inner

brakeshoe (7) and brakedrum (8). Tighten nut on opposite side of eccentric pin (6) 38-42 lb-ft

(52-57 N•m).

Apply and release parking brake lever (2) twice. Stop in release position. Recheck clearances

(steps 2,3, and 5).

Repeat steps 3 through 6 as necessary to obtain .015-in. (.381-mm) clearance.

8-10